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Blue green-deployments
- 1. Blue Green Deployment with Heptio Ark 16th January, 2019
- 2. We are disrupting the traditional food supply chain TYPICAL FOOD SUPPLY CHAIN 10 days and 5 parties OUR SUPPLY CHAIN REVOLUTION 3 days and 3 parties Consumer Home Day 10 23% waste Producer Day 1 Wholesaler Day 2 2% waste Warehouse Day 4 3% waste Supermarket Day 6 11% waste ● STARTING WITH CONSUMER ● FASTER AND FRESHER ● NO FOOD WASTE Better for Customers Consumer Home Day 3 Producer Day 1 Consumer Day 2 VERTICALLY INTEGRATED SUPPLY CHAIN Source: Company information; United States Department of Agriculture; Canaccord Genuity estimates Note: 5% “Farm to Retail” waste data split to wholesale and warehouse.
- 3. Kubernetes at HelloFresh Kubernetes runs 85%of our services Migration began 10 monthsago Reduced 400 EC2 Instances from Legacy Infrastructure
- 4. Overview of our Systems RDS MongoDB Stateless Microservices on Kubernetes Legacy
- 6. Why we switched out of kube-router? amazon-vpc-cni-k8s
- 8. The Big Challenge courtesy: https://peoplesofttutorial.com/elasticsearch-split-brain-problem/
- 9. Enter Blue Green Deployments courtesy: https://martinfowler.com/bliki/BlueGreenDeployment.html
- 10. Our Strategy
- 11. Heptio Ark - Quick Introduction courtesy: https://heptio.github.io/ark/v0.10.0/about
- 12. Upgrade Flow kops kube-router coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications
- 13. Upgrade Flow kops kube-router kube-dns nginx-ingress prometheus fluentd + graylog AWS EC2 new cluster heptio-ark applications kops kube-router nginx-ingress prometheus AWS EC2 heptio-ark coredns
- 14. Upgrade Flow kops kube-router coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark
- 15. Upgrade Flow kops kube-router coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark ark backup create vpc-migration
- 16. Upgrade Flow kops kube-router coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark ark backup get vpc-migration ark restore create --from-backup vpc- migration
- 17. Upgrade Flow kops kube-router coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark applications
- 18. Upgrade Flow kops kube-router coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark applications
- 19. Upgrade Flow kops kube-router coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark applications kops update cluster --name live --yes kops rolling- update cluster live --yes
- 20. Upgrade Flow kops amazon-vpc-cni-k8s coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark applications
- 21. Upgrade Flow kops amazon-vpc-cni-k8s coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications kops kube-router coredns nginx-ingress prometheus AWS EC2 heptio-ark applications
- 22. Upgrade Flow kops amazon-vpc-cni-k8s coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications
- 23. Upgrade Flow kops amazon-vpc-cni-k8s coredns nginx-ingress prometheus fluentd + graylog AWS EC2 heptio-ark applications
- 24. Lesson #1 Forced rolling update = Inconsistent masters
- 25. Lesson #2 Inconsistent etcd = Unreliable kubectl
- 26. Lesson #3 Unhealthy masters were ignored by kops rolling upgrade https://github.com/kubernetes/kops/issues/5410